You may have heard that this year's flu shot is less effective than normal. That's a scary prospect heading into the heart of flu season. But what exactly does that mean? Why would vaccines vary in effectiveness ...

After decades making brief, murderous forays from central Africa's forests, Ebola erupted into a global emergency in 2014, yet its success could spell its downfall as scientists scramble to relegate it to ...

(HealthDay)—Fewer than half of Americans have gotten a flu shot so far this flu season, which might be a bad sign for a season that could be potentially severe, infectious-disease experts said Thursday.

How much protection the annual flu shot provides depends on how well the vaccine (which is designed based on a "best guess" for next season's flu strain) matches the actually circulating virus. However, it ...

The suspension of trials in Switzerland of an experimental Ebola vaccine over unexpected side-effects is not a setback in the fight against the deadly virus, the World Health Organization insisted Thursday.

The drugmaker Merck & Co. Inc. has received approval for an updated version of its Gardasil vaccine that protects against an additional five strains of the virus that causes most cases of cervical cancer.

On December 3, the US Centers for Disease Control and Prevention (CDC) issued a Health Alert Network advisory indicating a possible strain mismatch in this year's vaccine. After the usual brief flurry of ...

Today the EU-consortium SYMPATH starts recruitment for a Phase I study of a Parkinson's vaccine candidate called AFFITOPE PD03A. This vaccine is one out of a designated pool of promising vaccine candidates based on AFFiRiS' ...